Finding the Fourth Proportional to 522,599.05, 783,704.18 and 206,990.65
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Solution
The fourth proportional to 522,599.05, 783,704.18 and 206,990.65 is: 310,408.98
Step by Step Solution
- Step 1: Write the proportion equation
522,599.05 : 783,704.18 = 206,990.65 : x - Step 2: Convert to fraction form
522,599.05/783,704.18 = 206,990.65/x - Step 3: Cross multiply
522,599.05x = 783,704.18 × 206,990.65 - Step 4: Simplify right side
522,599.05x = 162,219,436,590.96 - Step 5: Solve for x
x = 162,219,436,590.96/522,599.05 - Step 6: Final answer
x = 310,408.98
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.